Connect public, paid and private patent data with Google Patents Public Datasets

Respiratory mask facial seal

Download PDF

Info

Publication number
US5647357A
US5647357A US08525404 US52540495A US5647357A US 5647357 A US5647357 A US 5647357A US 08525404 US08525404 US 08525404 US 52540495 A US52540495 A US 52540495A US 5647357 A US5647357 A US 5647357A
Authority
US
Grant status
Grant
Patent type
Prior art keywords
seal
mask
facial
user
respiratory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US08525404
Inventor
Shari S. Barnett
Patrick M. Handke
Kristine K. Sabo
Eugene N. Scarberry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RIC INVESTMENTS LLC
Respironics Inc
Original Assignee
Respironics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0605Means for improving the adaptation of the mask to the patient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0605Means for improving the adaptation of the mask to the patient
    • A61M16/0616Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks
    • A62B18/025Halfmasks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M16/0683Holding devices therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816Joints or connectors
    • A61M16/0825Joints or connectors with ball-sockets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • A61M2016/0661Respiratory or anaesthetic masks with customised shape
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/02General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0238General characteristics of the apparatus characterised by a particular materials the material being a coating or protective layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/06Head
    • A61M2210/0618Nose

Abstract

An improved flexible respiratory mask facial seal, as well a respiratory mask incorporating such seal. The facial seal comprises an annular member including a peripheral sidewall bounded by an inner end and an outer end generally opposite the inner end. The inner end is adapted for attachment to the shell or body portion of a respiratory mask and the outer end defines a contoured sealing surface adapted for confronting sealing engagement with a user's face. The annular member is formed of a gel substance possessing resilience characteristics corresponding to those of human fat tissue. Preferably, the annular member is encapsulated in a thin, pliable, membranous covering to enhance the durability and washability of the facial seal. Because the facial seal simulates the resiliency of human fat tissue, the user experiences the sensation of a natural substance against his skin when the mask is donned.

Description

FIELD OF THE INVENTION

The present invention relates in general to respiratory masks and, more particularly, to respiratory masks having flexible seals adapted to receive portions of a user's face for preventing leakage of gas being supplied to the user.

BACKGROUND OF THE INVENTION

A variety of respiratory masks are known which have flexible seals that cover the nose and/or mouth of a human user and are designed to create a continuous seal against the user's face. Because of the sealing effect that is created, gases may be provided at positive pressure within the mask for consumption by the user. The uses for such masks range from high altitude breathing (i.e., aviation applications) to mining and fire fighting applications, to various medical diagnostic and therapeutic applications.

One requisite of such respiratory masks has been that they provide an effective seal against the user's face to prevent leakage of the gas being supplied. Commonly, in prior mask configurations, a good mask-to-face seal has been attained in many instances only with considerable discomfort for the user. This problem is most crucial in those applications, especially medical applications, which require the user to wear such a mask continuously for hours or perhaps even days. In such situations, the user will not tolerate the mask for long durations and optimum therapeutic or diagnostic objectives thus will not be achieved, or will be achieved with great difficulty and considerable user discomfort.

The prior art includes several types of respiratory face masks for the types of applications mentioned above. Perhaps the most common type of mask incorporates a smooth sealing surface extending around the periphery of the mask and exhibiting a generally uniform (i.e., predetermined or fixed) seal surface contour which is intended to be effective to seal against the user's face when force is applied to the mask with the smooth sealing surface in confronting engagement with the user's face. The sealing surface typically consists of an air or fluid filled cushion, or it may simply be a molded or formed surface of a resilient seal element made of an elastomer such as plastic, rubber, silicone, vinyl or foam. Such masks have performed well when the fit is good between the contours of the seal surface and the corresponding contours of the user's face. However, if the seal fit is not good, there will be gaps in the seal-to-face interface and excessive force will be required to compress the seal member and thereby attain a satisfactory seal in those areas where the gaps occur. Such excessive force is unacceptable as it produces high pressure points elsewhere on the face of the user where the mask seal contour is forcibly deformed against the face to conform to the user's facial contours. This will produce considerable user discomfort and possible skin irritation and breakdown anywhere the applied force exceeds the local perfusion pressure, which is the pressure that is sufficient to cut off surface blood flow. Ideally, contact forces should be limited between the mask and the user's face to avoid exceeding the local perfusion pressure even at points where the mask seal must deform considerably.

The problem of seal contact force exceeding desirable limits is even more pronounced when the positive pressure of the gas being supplied is relatively high or is cyclical to high levels. Since the mask seals by virtue of confronting contact between the mask seal and the user's face, the mask must be held against the face with a force sufficient to seal against leakage of the peak pressure of the supplied gas. Thus, for conventional masks, when the supply pressure is high, headstraps or other mask restraints must be tightly fastened. This produces high localized pressure on the face, not only in the zone of the mask seal but at various locations along the extent of the retention straps as well. This too will result in severe discomfort for the user after only a brief time. Even in the absence of excessive localized pressure points, the tight mask and headstraps often may become extremely uncomfortable and user discomfort may well cause discontinued cooperation with the regimen.

Examples of respiratory masks possessing continuous cushion sealing characteristics of the type just described are provided in U.S. Pat. Nos. 2,254,854 and 2,931,356.

U.S. Pat. No. 5,181,506 describes a protective gas mask for military applications. The mask includes a three-layer face piece, the central layer of which is a thick layer of relatively stiff material having preformed V-shaped channels. The channels are "overfilled" with a gel or both gel and compressed air so as to create bulges in an inner face-contacting layer which are adapted to seal against the contours of a user's face. The inherent stiffness of the central layer in combination with the structural rigidity provided by the V-shaped channels, especially when overfilled with gel/air, results in a comparatively unyielding facial seal. Indeed, the mask is deployed in combination with a tightly fitting hood in order to draw the face piece firmly against the user's head to thereby generate the desired facial seal. As will be appreciated, the comfort afforded such a construction is quite limited and certainly not appropriate for those applications, such as respiratory therapy situations, where a user must occasionally wear a mask for prolonged periods of time.

Several classes of cushion materials, including gels and foams, were analyzed in a study by S. F. C. Stewart, V. Palmieri and G. V. B. Cochran, Arch. Phys. Med. Rehabil., Vol. 61, (May 1980). That study compared the relative advantages and disadvantages of such cushion materials when used as wheelchair cushions, specifically the effects of such materials on skin temperature, heat flux and relative humidity at the skin-cushion interface. Each of these factors, along with applied pressure in excess of local perfusion pressure, has been identified as a contributor to breakdown of skin tissue at the skin-cushion interface.

In that study, foam cushions were reported to increase skin temperatures by several degrees after a few hours of use. This was suggested to be a result of the comparatively low heat flux characteristics of foam materials. That is, the foam materials and the air entrapped within them tend to be poor absorbers and conductors of heat. Conversely, gel pads, as a group, showed a considerably higher heat flux than foam, sufficient in fact to maintain skin temperatures relatively constant after several hours of use. The sole benefit of foam versus gel reported in the study was that foams produced lesser relative humidity than gels at the skin-cushion interface. This was attributed to the open cell structure of the foams which provide a pathway through which moisture can diffuse. This seeming advantage is somewhat problematic, however, in that open cell foam tends to promote bacteria growth when exposed to perspiration. Bacteria, in turn, contaminates the foam thereby considerably hindering its useful service life.

These and other detrimental characteristics have been observed as well in the foam-type respiratory mask seals discussed above. Hence, apart from generally failing to provide optimum sealing with respect to a user's face, the inherent qualities of foam mask seals have been linked to skin irritation and breakdown, particularly at some of the more prominent facial contours such as the cheek bones and bridge of the nose.

Moreover, whether air, fluid or, in the case of U.S. Pat. No. 5,181,506, gel filled, or whether formed as an elastomer such as foam, plastic, rubber, silicone and the like, the resiliency or recoil characteristics of presently available cushion type respiratory mask seals have not been well suited to form an effective seal with the topography of the user's face in the absence of considerable headstrap tensile forces. The present inventors have discovered that headstrap tensile forces and, therefore, the compressive forces exerted by the mask against a user's face, can be reduced substantially with respect to existing cushion-type respiratory masks when the mask cushion is fabricated from materials having recoil characteristics analogous to that of human fat. Such a cushion has been found to behave much like natural biological tissue and tends to conform naturally to a user's face under the influence of very low headstrap forces. The present inventors have also discovered that, in addition to their other aforementioned advantages, gel materials can be produced that simulate the recoil properties of human fat tissue.

An advantage exists, therefore, for a respiratory mask facial seal comprising a seal cushion formed of a gel that affords an effective yet comfortable and non-damaging seal with a user's facial contours.

SUMMARY OF THE INVENTION

The present invention provides an improved flexible respiratory mask facial seal, as well a respiratory mask incorporating such seal, which reliably and comfortably seals the facial contours of a user.

The facial seal comprises an annular member including a peripheral sidewall bounded by an inner end and an outer end generally opposite the inner end. The inner end is adapted for attachment to the shell or body portion of a respiratory mask and the outer end defines a contoured sealing surface adapted for confronting sealing engagement with a user's face.

The annular member is formed of a gel substance such as a viscoelastic polyurethane polymer possessing resilience or recoil characteristics corresponding to those of human fat tissue, the gel substance including the property of recoiling back to substantially its original shape when not stressed. The annular member may be deployed with or without a protective covering. In the absence of such a covering, the inherent tacky quality of the gel substance serves to enhance adhesion of the facial seal to the user's face. Alternatively, if tackiness is not desired, the surface of the annular member may be covered with a coating of powdered talc, silicone or similar biocompatible material. Most preferably, however, the annular member is encapsulated in a thin, pliable, membranous covering to enhance the durability and washability of the facial seal.

Because the facial seal simulates the recoil characteristics of human fat tissue, the user experiences the sensation of a natural substance against his skin when the mask is donned. Consequently, a mask provided with such a cushion can be comfortably urged into continuous sealing engagement with a user's face with less headstrap tension than other masks heretofore known in the art. Furthermore, the fat-like qualities of the gel cause the gel to effectively fill gaps and mold to other facial contours thereby minimizing leakage of pressurized gas supplied to the mask. The gel material also serves to efficiently dissipate heat while resisting the bacteria growth associated with foam type mask seals.

Other details, objects and advantages of the present invention will become apparent as the following description of the presently preferred embodiments and presently preferred methods of practicing the invention proceeds.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will become more readily apparent from the following description of preferred embodiments thereof shown, by way of example only, in the accompanying drawings, wherein:

FIG. 1 is a front elevation view of a respiratory mask including a first preferred embodiment of a facial seal constructed according to the present invention;

FIG. 2 is a side elevation view of the respiratory mask of FIG. 1 when in confronting, sealing engagement with a user's face, the respiratory mask being schematically depicted in communication with a source of respiratory gas;

FIG. 3 is a cross-section taken along line III--III of FIG. 1;

FIG. 4 is a cross-section taken along line IV--IV of FIG. 2; and

FIG. 5 is an elevational cross-section view similar to FIG. 3 of a respiratory mask including a further preferred embodiment of a facial seal constructed according to the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Referring initially to FIGS. 1 and 2, there is generally indicated at 10 a respiratory mask including a shell or body portion 12 having an open side 14 that defines an annular surface 16 (perhaps most clearly illustrated in FIG. 3) to which is sealingly affixed a facial seal 18 constructed according to a first presently preferred embodiment of the instant invention. The mask body portion 12 is preferably, although not necessarily, a generally rigid formed structural shell, whereas facial seal 18 is a flexible, resilient unitary member which will be described in greater detail hereinafter.

Body portion 12 also defines an opening 20 to which there may be attached a fluid coupling means such as a swivel coupling 21 or other suitable means. The opening 20 and any intervening coupling means 21 connect mask 10 via conduit means (represented by dashed line 22) to a source of gas 24, e.g., a blower of other suitable means for providing a flow of pressurized breathing gas, for administration of the gas to a user 26. The mask shown is a nasal mask which accommodates the nasal regions of the user's face. It is to be understood, however, that the invention also contemplates a full face or oral/nasal mask that accommodates both the mouth and nose of a user. As is conventional, mask shell 12 also preferably includes fastening means such as tabs 25 or the like to which may be connected suitable adjustable retention straps (not illustrated) for retaining the mask with respect to the user's face.

Seal 18 includes a solid yet highly resilient and self-sustaining compressible annular member 27 comprising a peripheral wall portion 28 having an annular base or inner end 30 (FIG. 3) configured substantially similar to the annular surface 16 of shell 12 to which it may be fixedly attached. Peripheral wall portion 28 further establishes an outer end 32 generally opposite inner end 30. The outer end 32 defines a generally annular contoured sealing surface 34 adapted for confronting, sealing engagement with a user's face. As will be more fully developed later herein, the contour of sealing surface 34 closely approximates the surface contour of a user's facial structure in the areas of the bridge of the nose, the cheeks adjacent the nose, the space intermediate the nose and upper lip, and the intervening areas contiguous to these. For a full face mask (not illustrated) the sealing surface 34 would be contoured to accommodate the user's chin in lieu of the area intermediate the nose and upper lip. In either case, variation in user facial structure, especially in the area of the bridge of the nose, for example, makes considerable seal flexibility necessary to accommodate the many different facial contours likely to be encountered.

FIGS. 3 and 4 reveal in more detail the respiratory mask seal 18. In accordance with the present invention, at least the seal or face-contacting portion or, more preferably (as illustrated), substantially the entirety of the annular member 27 is formed from a gel substance such as a viscoelastic polyurethane polymer possessing resilience or recoil characteristics corresponding substantially to those of human fat tissue. More specifically, the facial seal 18 including the annular member 27 preferably has a resiliency, as defined by durometer measured on the Shore 00 scale which is used to gauge the resiliency of very soft resilient materials, of about 10 or softer and, most preferably, about 0. Such resiliency, corresponds substantially to that of human fat tissue which also exhibits a durometer reading of 0 on a Shore 00 scale. In respect to the facial seal embodiment shown in FIGS. 1 through 4, the durometer of facial seal 18 corresponds to the resultant durometers of the annular member 27 and its later described protective covering (whose durometer is essentially negligible because of the thinness and pliability of the covering). As for the facial seal illustrated in FIG. 5 wherein the annular member 27 has no protective covering, the durometer of the facial seal is that of the annular member.

Although inherently capable of filling spatial voids, human fat tissue has negligible structural integrity and may not be self-sustaining. Consequently, any respiratory mask facial seal possessing structural characteristics essentially identical to fat would be impractical from a usage standpoint. That is, if a facial seal were fabricated from a material structurally indistinguishable from human fat tissue in terms of resiliency, it may tend to sag into an amorphous shape under the influence of gravity and thus would not effectively conform to the contours of a user's face even if headstrap tension was quite high. It will be appreciated, therefore, that a properly designed facial seal must substantially but not identically mimic human fat tissue from a structural, particularly resiliency, perspective. Stated differently, the facial seal must exhibit some measurable recoil "memory" whereby it is structurally self-sustaining, capable of gently conforming to the topography of a user's face under the influence of low headstrap tensile forces, resistant to distorting gravitational effects and self-restorable to its original configuration when removed from contact with the user's face. The gel substance includes the property of recoiling back to substantially its original shape when not stressed. It must also be resistant to distortion due to positive gas pressure supplied to the mask. To simultaneously achieve these and other beneficial properties, the annular member 27 according to the present invention is preferably formed from a gel substance that, while virtually indistinguishible from human fat tissue when measured on the Shore 00 scale, exhibits a resilency or durometer on the Shore 000 scale (which scale is used to measure the resiliency of extremely soft resilient materials) of from about 20 to about 45. By comparison, human fat tissue registers a durometer of about 10 on the Shore 000 scale.

The annular member 27 may be fabricated by conventional molding techniques. For example, liquid polyurethane polymer including any plasticizers and other modifiers necessary to achieve desired finished product properties is poured or injected into an appropriately configured mold. The polymer is then permitted to cure, either with or without the application of heat depending upon the specific composition and setting characteristics of the polymer, until the product achieves its desired solid gel form. Because the polymer of the annular member does not have sufficient structural integrity to reliably adhere directly to the body portion 12 of the mask, the facial seal 18 also preferably comprises attachment means 36 which may be integrally molded into the inner end 30 of the annular member during its formation. Attachment means 36 is desirably constructed as a substantially rigid annular ring having shape corresponding to that of the inner end 30 and a wall thickness less than or equal to that of the wall thickness of the peripheral wall portion 28. At minimum, however, attachment means 36 should comprise a member less resilient than the gel substance of the annular member. To enhance bonding of the attachment means 36 to the annular member 27, the attachment means desirably includes anchorage means 38. The anchorage means may comprise spaced apart formations of the attachment means defining openings or similar structures into or around which the fluid polymer may flow and ultimately cure during formation of the annular member.

Annular member 27 also preferably comprises a plurality of integral bosses 42 molded into the peripheral wall portion 28 during formation of the annular member which extend from the inner end 30 toward the outer end 32. Bosses 42 provide gentle structural support to the annular member and promote uniform compression of the annular member when such member is in contact with a user's face. The bosses are preferably symmetrically disposed about the peripheral wall portion and preferably correspond in number and location to the anchorage means 38. As shown in FIG. 3, a presently preferred construction includes five such bosses 42 corresponding to five anchorage means 38.

As previously mentioned, the presently preferred embodiment of facial seal 18 contemplates that the annular member 27 be covered by a protective covering. Such covering means is identified by reference numeral 40 in the drawing figures. The covering means functions to increase the durability of the annular member while also permitting easy cleaning of the facial seal. Covering means 40 must satisfy several physical criteria. It must, inter alia: (1) resist tearing and puncturing, (2) tightly conform to the annular member 27 without changing or deforming the contours thereof, (3) be chemically compatible with the annual member, (4) be biocompatible and non-irritating to a user's skin, and (5) be sufficiently thin and supple such that its presence has a negligible impact on the resultant durometer of the facial seal 18. In this regard, covering means 40 preferably comprises a thin (approximately 2 to 10 mils thick) flexible plastic film. Urethane has been found to be preferable for this particular purpose as such material meets not only the objectives of the present invention but is also comparatively inexpensive and easy to apply to the surface of the annular member 27. The covering means 40 may be applied to the annular member by any suitable process. For instance, liquid urethane may be applied by spraying or dipping and then permitted to cure. Preferably, however, the urethane is prefabricated by vacuum forming so as to produce a skin of controllable and uniform thickness which is subsequently vacuum formed to the annular member using contentional techniques.

Once the facial seal 18 is fully assembled, it may be attached to the body portion 12 of a respiratory mask by coating the inner end 30 of the facial seal and/or the annular seating surface 16 of the mask body portion 12 with a suitable adhesive and then pressing the inner end 30 into abutment with the seating surface 16 whereupon the adhesive is allowed to cure.

In FIG. 5, wherein like references designate like or corresponding parts to those previously discussed, there is illustrated a further preferred embodiment of the facial seal of the present invention which is identified herein by reference numeral 118. Facial seal 118 differs from facial seal 18 essentially in that the annular member 27 thereof has no protective covering means on its outer surface. In all other material respects, facial seal 118 is constructed and functions substantially identically to facial seal 18.

The exposed surface of the annular member 27 of is tacky. As such, the inherent tackiness of the contoured sealing surface 34 of the annular member may thus be used to the user's advantage by enhancing adhesion of the facial seal to the user's face. In the alternative, if tackiness is not desired, the surface of the annular member 27 of facial seal 118 may be covered with a coating of powdered talc, silicone or similar biocompatible material.

As presently contemplated, the wall thickness of the peripheral wall portion 28 of the annular seal member 27 of the facial seals 18 and 118, excluding bosses 42, preferably ranges from about 0.2 to 0.3 inches. The weight of the facial seals 18, 118 depending on the size of mask bodies 12 with which they are used, ranges from about 1 to 2 ounces, a weight which has been discovered to be virtually unnoticeable to patients who have worn masks constructed according to the present invention in clinical tests. Furthermore, the fat-like resiliency qualities of the gel material which forms the annular member 27 creates in the wearer a comparatively cool and natural tactile sensation when the facial seal is in contact with the user's face. And, much like human fat tissue would perform, the facial seals 18, 118 effectively fill gaps and mold to the user's facial topography thereby minimizing leakage of gas supplied to the mask. Indeed, experimental testing has shown that respiratory masks fitted with facial seals in accordance with the present invention exhibit minimal gas leaks with headstrap tensile forces of 3 pounds or less, a value substantially less than related masks presently known in the art. The facial seals described herein thus enable respiratory masks to be worn by users for prolonged periods with little or no measurable discomfort. This phenomenon is especially important to users who must wear respiratory masks for extended periods such as patients undergoing respiratory therapy. Such individuals find that because of the comfort afforded by the facial seals 18, 118, their compliance with the respiratory treatment increases and the therapeutic benefits of the treatment are more fully realized.

As an alternative to the embodiments discussed above, it is also contemplated that a respiratory mask of the present invention may be constructed as a one-piece member rather than as a separate facial seal joined to a mask body. In such case, the respiratory mask may be fabricated as a unitary member formed from substances of increasingly softer durometers, as considered in a direction from that portion of the mask corresponding to the mask body toward that portion corresponding to the facial seal, such that the softest materials, comprising the previously discussed gel substance and possessing the resiliency characteristics described hereinabove, would constitute the seal or face-contacting portion of the annular member.

Although the invention has been described in detail for the purpose of illustration, it is to be understood that such detail is solely for that purpose and that variations can be made therein by those skilled in the art without departing from the spirit and scope of the invention except as it may be limited by the claims.

Claims (24)

What is claimed is:
1. A flexible, resilient respiratory mask facial seal for sealing engagement with the face of a human user to form a sealed interface encompassing a predetermined portion of such user's face, said facial seal being operatively connectable to a source of breathing gas, said facial seal comprising a peripheral wall portion having an inner end and an outer end opposite said inner end, said inner end being attachable to a body of a respiratory mask and said outer end including a seal portion having a contoured sealing surface for sealing engagement with a user's face, at least said seal portion being formed from a gel substance having a resiliency substantially corresponding to that of human fat tissue, said gel substance including the property of recoiling back to substantially its original shape when not stressed.
2. The facial seal of claim 1 wherein said resiliency is defined as a Shore 00 durometer of less than about 10.
3. The facial seal of claim 2 wherein said resiliency is defined as a Shore 000 durometer of from about 20 to about 45.
4. The facial seal of claim 1 wherein said gel substance is a viscoelastic polyurethane polymer.
5. The facial seal of claim 1 further comprising means for attaching said facial seal to a body portion of a respiratory mask.
6. The facial seal of claim 5 wherein said attaching means comprise a member less resilient than said gel substance connected to said gel substance.
7. The facial seal of claim 6 wherein said less resilient member comprises means for anchoring said gel substance to said less resilient member.
8. The facial seal of claim 1 further comprising a protective covering surrounding said gel substance.
9. The facial seal of claim 8 wherein said protective covering comprises a pliable membrane.
10. The facial seal of claim 9 wherein said membrane has a thickness of from about 2 to about 10 mils.
11. The facial seal of claim 10 wherein said membrane is formed from urethane.
12. The facial seal of claim 1 wherein said facial seal comprises an annular member formed from said gel substance.
13. A respiratory mask operatively connectable to a source of breathing gas and comprising:
a respiratory mask body; and
a flexible, resilient respiratory mask facial seal for engagement with the face of a human user to form a sealed interface encompassing a predetermined portion of such user's face, said facial seal comprising a peripheral wall portion having an inner end and an outer end opposite said inner end, said inner end being attachable to said respiratory mask body and said outer end including a seal portion having a contoured sealing surface for sealing engagement with a user's face, at least said seal portion being formed from a gel substance having a resiliency substantially corresponding to that of human fat tissue, said gel substance including the property of recoiling back to substantially its original shape when not stressed.
14. The respiratory mask of claim 13 wherein said resiliency is defined as a Shore 00 durometer of less than about 10.
15. The respiratory mask of claim 14 wherein said resiliency is defined as a Shore 000 durometer of from about 20 to about 45.
16. The respiratory mask of claim 13 wherein said gel substance is a viscoelastic polyurethane polymer.
17. The respiratory mask of claim 13 further comprising means for attaching said facial seal to a body portion of a respiratory mask.
18. The respiratory mask of claim 17 wherein said attaching means comprise a member less resilient than said gel substance connected to said gel substance.
19. The respiratory mask of claim 18 wherein said less resilient member comprises means for anchoring said gel substance to said less resilient member.
20. The respiratory mask of claim 13 further comprising a protective covering surrounding said gel substance.
21. The respiratory mask of claim 20 wherein said protective covering comprises a pliable membrane.
22. The respiratory mask of claim 21 wherein said membrane has a thickness of from about 2 to about 10 mils.
23. The respiratory mask of claim 22 wherein said membrane is formed from urethane.
24. The respiratory mask of claim 13 wherein said facial seal comprises an annular member formed from said gel substance.
US08525404 1995-09-08 1995-09-08 Respiratory mask facial seal Expired - Lifetime US5647357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US08525404 US5647357A (en) 1995-09-08 1995-09-08 Respiratory mask facial seal

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US08525404 US5647357A (en) 1995-09-08 1995-09-08 Respiratory mask facial seal
JP51134797A JP3263084B2 (en) 1995-09-08 1996-09-05 Face seal for a respiratory mask
DE1996634431 DE69634431T2 (en) 1995-09-08 1996-09-05 Sealing for respiratory mask
DE1996634431 DE69634431D1 (en) 1995-09-08 1996-09-05 Sealing for respiratory mask
EP19960932952 EP0799076B1 (en) 1995-09-08 1996-09-05 Respiratory mask facial seal
ES96932952T ES2239773T3 (en) 1995-09-08 1996-09-05 facial seal for respiratory mask.
CA 2201961 CA2201961C (en) 1995-09-08 1996-09-05 Respiratory mask facial seal
PCT/US1996/014170 WO1997009090A1 (en) 1995-09-08 1996-09-05 Respiratory mask facial seal
US08832267 US5884624A (en) 1995-09-08 1997-04-03 Respiratory mask facial seal
US09388326 US6397847B1 (en) 1995-09-08 1999-09-01 Customizable seal, mask with customizable seal and method of using such a seal
US10106658 US6895965B2 (en) 1995-09-08 2002-03-26 Customizable seal, mask with customizable seal and method of using such a seal
US11051854 US7870859B2 (en) 1995-09-08 2005-02-04 Patient contacting seal and mask using same
US12966116 US8485190B2 (en) 1995-09-08 2010-12-13 Patient contacting seal and mask using same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US08832267 Continuation US5884624A (en) 1995-09-08 1997-04-03 Respiratory mask facial seal

Publications (1)

Publication Number Publication Date
US5647357A true US5647357A (en) 1997-07-15

Family

ID=24093114

Family Applications (2)

Application Number Title Priority Date Filing Date
US08525404 Expired - Lifetime US5647357A (en) 1995-09-08 1995-09-08 Respiratory mask facial seal
US08832267 Expired - Lifetime US5884624A (en) 1995-09-08 1997-04-03 Respiratory mask facial seal

Family Applications After (1)

Application Number Title Priority Date Filing Date
US08832267 Expired - Lifetime US5884624A (en) 1995-09-08 1997-04-03 Respiratory mask facial seal

Country Status (7)

Country Link
US (2) US5647357A (en)
JP (1) JP3263084B2 (en)
CA (1) CA2201961C (en)
DE (2) DE69634431T2 (en)
EP (1) EP0799076B1 (en)
ES (1) ES2239773T3 (en)
WO (1) WO1997009090A1 (en)

Cited By (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5884624A (en) * 1995-09-08 1999-03-23 Respironics, Inc. Respiratory mask facial seal
US5918598A (en) * 1998-04-10 1999-07-06 Belfer; William A. Strapless respiratory facial mask for customizing to the wearer's face
US5966745A (en) * 1995-01-23 1999-10-19 Schwartz; Alan N. Goggles with pliable and resilient sealing pad
WO1999058198A1 (en) * 1998-05-12 1999-11-18 Mallinckrodt Inc. Customizable face or nose mask for the noninvasive ventilation of patients in general
US6006748A (en) 1996-10-16 1999-12-28 Resmed Limited Vent valve apparatus
DE19831209A1 (en) * 1998-07-04 2000-01-13 Auergesellschaft Gmbh Sealing line system for gas masks
US6019101A (en) * 1996-10-31 2000-02-01 Sleepnet Corporation Nasal air mask
US6029660A (en) 1996-12-12 2000-02-29 Resmed Limited Substance delivery apparatus
US6039044A (en) * 1994-12-09 2000-03-21 University Of Sydney Gas delivery mask
US6044844A (en) 1996-12-02 2000-04-04 Resmed Limited Mask and harness assembly
WO2000020072A1 (en) * 1998-10-05 2000-04-13 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
USD423096S (en) 1997-02-25 2000-04-18 Resmed Limited Nasal mask cushion
DE19848308A1 (en) * 1998-10-13 2000-04-27 Auergesellschaft Gmbh Seal for breathing protection masks, escape and life-saving apparatus, involves trough in mask body in which exchangeable sealing and matching frame made of solid gel material is positively engaged
DE19848309A1 (en) * 1998-10-13 2000-04-27 Auergesellschaft Gmbh Seal for breathing protection half and full masks involves closed seal and matching frame of solid gel material arranged in mask body
WO2000050121A1 (en) * 1999-02-25 2000-08-31 Respironics, Inc. Adhesive nasal mask assembly, system and method of using same
US6112746A (en) 1996-07-26 2000-09-05 Resmed Limited Nasal mask and mask cushion therefor
US6119693A (en) 1998-01-16 2000-09-19 Resmed Limited Forehead support for facial mask
US6125338A (en) * 1998-04-22 2000-09-26 University Of Pittsburgh Contour replicating and measuring device
US6123071A (en) 1993-06-18 2000-09-26 Resmed Limited Facial masks for assisted respiration or CPAP
WO2000069521A1 (en) * 1999-05-12 2000-11-23 Respironics, Inc. Low contact nasal mask and system using same
US6152137A (en) * 1995-01-23 2000-11-28 Schwartz; Alan N. Pliable and resilient sealing pad
US6176239B1 (en) * 1997-08-06 2001-01-23 The United States Of America As Represented By The Secretary Of The Army Advanced chemical-biological mask
US20020023649A1 (en) * 1999-02-09 2002-02-28 Resmed Limited Gas delivery connection assembly
WO2002041953A1 (en) * 2000-11-23 2002-05-30 Speedo International Limited Goggles and masks
US6467483B1 (en) 1999-07-28 2002-10-22 Respironics, Inc. Respiratory mask
US6494207B1 (en) 1996-12-02 2002-12-17 Resmed Limited Harness assembly for a nasal mask
US6513526B2 (en) * 1996-07-26 2003-02-04 Resmed Limited Full-face mask and mask cushion therefor
US20030034034A1 (en) * 1999-06-18 2003-02-20 Resmed Limited Forehead support for facial mask
US6530373B1 (en) * 2000-08-04 2003-03-11 Mallinckrodt Inc. Respirator mask
US6561191B1 (en) 1997-02-10 2003-05-13 Resmed Limited Mask and a vent assembly therefor
US6561190B1 (en) 1997-02-10 2003-05-13 Resmed Limited Mask and a vent assembly therefor
US20030089372A1 (en) * 2000-06-22 2003-05-15 Frater Robert H. Mask with gusset
FR2834469A1 (en) * 2002-01-08 2003-07-11 Robert Schegerin Light respiratory protection mask comprises gas supply, shell-shaped dish keeping shape of mask with head fastening system, sealing lip surrounding wearer's nose and mouth and pasty substance placed in cavity near sealing lip
US20030168063A1 (en) * 2002-03-08 2003-09-11 Gambone Anthony Joseph Pressure face mask and nasal mask
US6626177B1 (en) * 1999-06-18 2003-09-30 Saeed Ziaee Nasal mask
US6629531B2 (en) 2000-04-17 2003-10-07 Scott Technologies, Inc. Respiratory mask and service module
US6631718B1 (en) * 1999-06-08 2003-10-14 Sleepnet Corporation Air mask with seal
US20030196656A1 (en) * 2002-04-23 2003-10-23 Moore Rachael E. Ergonomic and adjustable respiratory mask assembly with cushion
US20030196658A1 (en) * 2002-04-23 2003-10-23 Ging Anthony M. Ergonomic and adjustable respiratory mask assembly with frame
US20030221691A1 (en) * 2000-10-19 2003-12-04 Achim Biener Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US6662803B2 (en) * 2000-06-14 2003-12-16 Fisher & Paykel Healthcare Limited Nasal mask
US6679260B2 (en) * 2001-01-25 2004-01-20 Ching-Ling Her Apparatus and method for forming a ventilation mask
US20040065328A1 (en) * 2000-12-07 2004-04-08 Amarasinghe Amal Shirley Mask brace and mask assembly
US6728589B1 (en) 2000-10-20 2004-04-27 Mallinckrodt Inc. Customized respiratory mask and method of manufacturing same
US6773418B1 (en) * 1999-08-18 2004-08-10 Iotek, Inc. Device and method for delivery of agents to the female reproductive tract
USD498529S1 (en) 1996-07-26 2004-11-16 Resmed Limited Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP)
US20050022820A1 (en) * 2003-05-05 2005-02-03 Kwok Philip R. Forehead support for facial mask
US6860268B2 (en) 2002-02-06 2005-03-01 Shelly Bohn Pediatric ventilation mask and headgear system
US20050199239A1 (en) * 2002-06-14 2005-09-15 Bernd Lang Mask cushioning and forehead pad for a respiratory mask, respiratory mask in addition to a mould and method for their production
US20060042629A1 (en) * 2004-09-01 2006-03-02 Vital Signs Inc. Mask, mask shell and seal with improved mounting, mask seal, method of mask manufacture and mask with reduced exhalation noise
US20060079823A1 (en) * 2004-09-16 2006-04-13 Utterberg David S Injection and hemostasis site
US20060096598A1 (en) * 2004-11-05 2006-05-11 Ho Peter C F Respiratory mask seal and mask using same
US20060130844A1 (en) * 2004-12-22 2006-06-22 Ric Investments, Llc. Cushion for a patient interface
US20060201514A1 (en) * 2003-05-02 2006-09-14 Jones Michael A Mask system
US20060237018A1 (en) * 2000-06-14 2006-10-26 Mcauley Alastair E Breathing assistance apparatus
US20060249160A1 (en) * 2005-05-06 2006-11-09 Ric Investments, Llc. Patient interface with respiratory gas measurement component
US20060249159A1 (en) * 2005-04-13 2006-11-09 Ho Peter C F Cushion inside a cushion patient interface
US20060272645A1 (en) * 2002-04-23 2006-12-07 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US20070039620A1 (en) * 2005-04-14 2007-02-22 Rick Sustello Sealing arrangement for wearable article
US20070066926A1 (en) * 2004-09-16 2007-03-22 Utterberg David S Injection and hemostasis site
US7210481B1 (en) * 1999-06-08 2007-05-01 Sleepnet Corporation Nose mask
US20070101997A1 (en) * 2001-11-28 2007-05-10 Paul Chiesa Respiratory mask
US20070107733A1 (en) * 2005-11-15 2007-05-17 Ric Investments, Llc. Respiratory mask
US20070113854A1 (en) * 2003-12-12 2007-05-24 Resmed Limited Injection control for non-invented mask
US20070125385A1 (en) * 2005-12-07 2007-06-07 Ho Peter C F Full face respiratory mask with integrated nasal interface
US20070163594A1 (en) * 2005-12-20 2007-07-19 Ho Peter C F Patient interface device with dampening cushion
US20070221227A1 (en) * 2006-03-09 2007-09-27 Ric Investments, Llc Super-sofr gel seal and mask using same
US20080015482A1 (en) * 2006-07-13 2008-01-17 Utterberg David S Resilient double pad hemostasis devices
US20080023006A1 (en) * 2006-07-26 2008-01-31 3M Innovative Properties Company Respirator That Uses A Predefined Curved Nose Foam
US20080047557A1 (en) * 2000-06-14 2008-02-28 Gradon Lewis G Breathing assistance apparatus
US20080078396A1 (en) * 2006-09-29 2008-04-03 Nellcor Puritan Bennett Incorporated Systems and methods for providing custom masks for use in a breathing assistance system
US20080097270A1 (en) * 2006-08-25 2008-04-24 Utterberg David S Resilient hemostasis devices
US20080110469A1 (en) * 2006-11-13 2008-05-15 Stanley Weinberg Strapless flexible tribo-charged respiratory facial mask and method
US20080149104A1 (en) * 2006-12-06 2008-06-26 Weinmann Gerate Fur Medizin Gmbh & Co. Kg Ventilator mask with a filler and method of production
US20080289633A1 (en) * 2007-04-11 2008-11-27 Resmed Limited Mask with gel component
US20090014007A1 (en) * 2007-07-13 2009-01-15 Resmed Limited Patient interface and non-invasive positive pressure ventilating method
US7500480B2 (en) 2006-06-16 2009-03-10 Koninklijke Philips Electronics N.V. Chin pivot patient interface device
US20090139526A1 (en) * 2000-02-25 2009-06-04 Map Medizin-Technologie Sealing lip device for a respiratory mask, respiratory mask and a method and mould for producing the same
US7546837B2 (en) 2005-03-16 2009-06-16 Ric Investments, Llc Interface with rolling diaphragm
WO2009093174A1 (en) 2008-01-22 2009-07-30 Koninklijke Philips Electronics, N.V. Face mask
US20090277451A1 (en) * 2006-11-13 2009-11-12 Stanley Weinberg Strapless cantilevered respiratory mask sealable to a user's face and method
US7640933B1 (en) 2004-02-13 2010-01-05 RIC Investment, Inc. Hybrid textured/polished respiratory mask seal and respiratory mask using same
US20100000538A1 (en) * 2006-11-17 2010-01-07 Resmed Limited Mask assembly, and frame and swivel connector therefor
US7654263B2 (en) 2002-01-17 2010-02-02 Map Medizin-Technologie Gmbh Breathing mask arrangement and a forehead support device for same
US20100101581A1 (en) * 2007-01-22 2010-04-29 Map Medizin-Technologie Gmbh Hollow structure and method/tool for manufacturing same
US7762259B2 (en) 2003-04-10 2010-07-27 Resmed Limited Mask with integral cushion and forehead piece
US20100192954A1 (en) * 1999-11-03 2010-08-05 Australian Centre For Advanced Medical Technology Ltd. Mask
US20100224199A1 (en) * 2006-05-01 2010-09-09 Kimberly-Clark Worldwide, Inc. Respirator
US20100229868A1 (en) * 2007-10-22 2010-09-16 Resmed Limited Patient interface systems
US20110023883A1 (en) * 2008-04-11 2011-02-03 Koninklijke Philips Electronics, N.V. Patient interface system
US7926487B2 (en) 2000-05-15 2011-04-19 Resmed Limited Respiratory mask having gas washout vent and gas washout vent assembly for a respiratory mask
US7942148B2 (en) 2003-12-31 2011-05-17 Resmed Limited Compact oronasal patient interface
US7942149B2 (en) 1999-03-29 2011-05-17 Resmed Limited Forehead support for a facial mask
US7942150B2 (en) 2004-04-09 2011-05-17 Resmed Limited Nasal assembly
US7958893B2 (en) 2001-09-07 2011-06-14 Resmed Limited Cushion for a respiratory mask assembly
US7967014B2 (en) 2001-10-22 2011-06-28 Map Medizin-Technologie Gmbh Application device for breathing mask arrangement
US20110162650A1 (en) * 2008-06-04 2011-07-07 Cosmeplast Ets respiratory interface devices
US7992559B2 (en) 2001-10-22 2011-08-09 Map Medizin-Technologie Gmbh Breathing mask arrangement as well as an application device and a forehead support device for same
US20110209701A1 (en) * 2010-03-01 2011-09-01 Laura Derringer Nose pad cushion and applicator for respiratory mask
US8028698B2 (en) 2006-09-18 2011-10-04 Invacare Corporation Breathing mask
US20120012114A1 (en) * 2004-12-10 2012-01-19 Respcare, Inc. Hybrid ventilation mask with nasal interface and method for configuring such a mask
US8276588B1 (en) 2009-10-23 2012-10-02 Sleepnea Respiratory mask with adjustable shape
US20120255554A1 (en) * 2011-04-06 2012-10-11 Warren Julio A Medical system
US8291906B2 (en) 2008-06-04 2012-10-23 Resmed Limited Patient interface systems
US8297285B2 (en) 2006-07-28 2012-10-30 Resmed Limited Delivery of respiratory therapy
US8327851B2 (en) 2010-03-15 2012-12-11 Sleepnea Llc Respiratory mask with user interface
US8353294B2 (en) 2004-06-16 2013-01-15 Resmed Limited Respiratory mask assembly
US20130146060A1 (en) * 2010-08-27 2013-06-13 Koninklijke Philips Electronics N.V. Cushion for a patient interface device
US8485192B2 (en) 2005-01-12 2013-07-16 Resmed Limited Cushion for patient interface
US8517023B2 (en) 2007-01-30 2013-08-27 Resmed Limited Mask system with interchangeable headgear connectors
US8522785B2 (en) 2002-08-05 2013-09-03 Resmed Limited Inextensible headgear and CPAP or ventilator mask assembly with the same
US8522784B2 (en) 2008-03-04 2013-09-03 Resmed Limited Mask system
US8573201B2 (en) 2007-10-22 2013-11-05 Resmed Limited Patient interface systems
US20130344293A1 (en) * 2007-12-20 2013-12-26 Weinmann Geraete Fuer Medizin Gmbh & Co. Kg Device consisting of at least two materials
US8662079B2 (en) 2005-04-13 2014-03-04 Koninklijke Philips N.V. Cushion inside a cushion patient interface
US8701667B1 (en) 2006-05-05 2014-04-22 Ric Investments, Llc Patient interface device with limited support area on the face
US20140150238A1 (en) * 1998-12-09 2014-06-05 Resmed Limited Method for assembling a patient interface
US8807135B2 (en) 2004-06-03 2014-08-19 Resmed Limited Cushion for a patient interface
US8869798B2 (en) 2008-09-12 2014-10-28 Resmed Limited Foam-based interfacing structure method and apparatus
US8869797B2 (en) 2007-04-19 2014-10-28 Resmed Limited Cushion and cushion to frame assembly mechanism for patient interface
US8905031B2 (en) 2008-06-04 2014-12-09 Resmed Limited Patient interface systems
US8944061B2 (en) 2005-10-14 2015-02-03 Resmed Limited Cushion to frame assembly mechanism
US9072853B2 (en) 2001-09-07 2015-07-07 Resmed Limited Forehead pad for respiratory mask
US9162034B2 (en) 2006-07-28 2015-10-20 Resmed Limited Delivery of respiratory therapy
USD746439S1 (en) 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
US9308342B2 (en) 2005-01-12 2016-04-12 Resmed Limited Respiratory masks with gusseted cushions
US9375544B2 (en) 2007-11-14 2016-06-28 Ric Investments, Llc Face mask
US9381316B2 (en) 2005-10-25 2016-07-05 Resmed Limited Interchangeable mask assembly
US9387301B2 (en) 2006-12-19 2016-07-12 Koninklijke Philips N.V. Pad assembly having outer casing and support element
US9480809B2 (en) 2007-07-30 2016-11-01 Resmed Limited Patient interface
US9517367B2 (en) 2013-02-01 2016-12-13 3M Innovative Properties Company Respiratory mask having a clean air inlet chamber
US9555207B2 (en) 2008-06-05 2017-01-31 Loewenstein Medical Technology Gmbh + Co. Kg Gel filling for patient interface and method for producing patient interface with a gel filling
US9629975B1 (en) 2016-09-14 2017-04-25 Revolutionary Medical Devices, Inc. Ventilation mask
US9642403B2 (en) 2007-08-16 2017-05-09 Kimberly-Clark Worldwide, Inc. Strap fastening system for a disposable respirator providing improved donning
USD800908S1 (en) 2016-08-10 2017-10-24 Mitraltech Ltd. Prosthetic valve element
US9802021B2 (en) 2002-12-06 2017-10-31 Fisher & Paykel Healthcare Limited Mouthpiece

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6192876B1 (en) 1997-12-12 2001-02-27 Astra Aktiebolag Inhalation apparatus and method
US6196223B1 (en) * 1998-04-10 2001-03-06 William A. Belfer Strapless respiratory facial mask for customizing to the wearer's face
FR2784298B1 (en) * 1998-10-13 2001-01-19 Taema nasal respiratory mask for the treatment of respiratory disorders, including sleep apnea
US6615832B1 (en) * 1999-06-22 2003-09-09 Bragel International, Inc. Wear article with detachable interface assembly
DE19954517C2 (en) * 1999-11-12 2002-01-31 Map Gmbh Mask and method for manufacturing the same
FR2809317B1 (en) 2000-05-26 2002-08-16 Taema nasal respiratory mask with adjustable thermistor intended to the treatment of sleep disordered breathing
US7080644B2 (en) 2000-06-28 2006-07-25 Microdose Technologies, Inc. Packaging and delivery of pharmaceuticals and drugs
DE10035946C2 (en) * 2000-07-21 2002-06-27 Map Gmbh Holder for a respiratory mask
US20040007231A1 (en) * 2002-07-11 2004-01-15 Dr. Henry Zhou Respiratory appliances for pediatric inhalation induction
US7152600B2 (en) * 2003-01-22 2006-12-26 Biokidz Usa Nfp Biohazard mask suitable for civilians
US7874293B2 (en) * 2003-02-21 2011-01-25 Resmed Limited Nasal assembly
US8997743B2 (en) * 2003-09-17 2015-04-07 Fisher & Paykel Healthcare Limited Breathable respiratory mask
WO2005028009A1 (en) 2003-09-25 2005-03-31 Resmed Limited Ventilator mask and system
DE10348532A1 (en) * 2003-10-18 2005-05-19 Gottlieb Weinmann - Geräte für Medizin und Arbeitsschutz - GmbH + Co. breathing mask
US9119929B2 (en) * 2003-12-08 2015-09-01 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
WO2005063326A1 (en) * 2003-12-31 2005-07-14 Resmed Limited Mask system
WO2005079726A1 (en) 2004-02-23 2005-09-01 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
EP1718354A4 (en) 2004-02-24 2011-06-29 Microdose Therapeutx Inc Directional flow sensor inhaler
US20060081248A1 (en) * 2004-10-15 2006-04-20 Southmedic Incorporated Patient oxygen delivery mask
US8261746B2 (en) * 2005-01-12 2012-09-11 Resmed Limited Reinforcing member for a patient interface
US7877817B1 (en) 2005-07-15 2011-02-01 Ric Investments, Llc Mask attachment assembly
US7762254B2 (en) * 2005-08-02 2010-07-27 Ric Investments, Llc Mask mounting mechanism
US7762260B2 (en) * 2005-08-15 2010-07-27 Ric Investments, Llc Mask mounting mechanism
CN101242866B (en) * 2005-08-22 2011-05-04 电脑医师有限公司 Mask assembly
CA2890556A1 (en) 2006-07-14 2008-01-17 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US9119777B2 (en) 2008-05-30 2015-09-01 Microdose Therapeutx, Inc. Methods and compositions for administration of oxybutynin
US8415390B2 (en) 2008-05-30 2013-04-09 Microdose Therapeutx, Inc. Methods and compositions for administration of oxybutynin
US8439033B2 (en) 2007-10-09 2013-05-14 Microdose Therapeutx, Inc. Inhalation device
US9132255B2 (en) * 2007-11-15 2015-09-15 Resmed Limited Cushioning structure
EP2303379A4 (en) * 2008-05-29 2015-05-27 Resmed Ltd Flexible structure for mask, and method and apparatus for evaluating performance of a mask in use
EP2209512B1 (en) 2007-11-19 2012-09-05 Koninklijke Philips Electronics N.V. A patient interface device including a coating adhesive layer
US8371294B2 (en) 2008-02-29 2013-02-12 Microdose Therapeutx, Inc. Method and apparatus for driving a transducer of an inhalation device
US20100031958A1 (en) * 2008-08-05 2010-02-11 Ruth Stewart Respiratory mask interface
US8985101B2 (en) 2009-05-21 2015-03-24 Microdose Therapeutx, Inc. Method and device for clamping a blister within a dry powder inhaler
US8763606B2 (en) 2009-05-21 2014-07-01 Microdose Therapeutx, Inc. Rotary cassette system for dry powder inhaler
JP5763058B2 (en) * 2009-06-24 2015-08-12 レスメド・リミテッドResMedLimited Mask system
US20110000481A1 (en) * 2009-07-01 2011-01-06 Anand Gumaste Nebulizer for infants and respiratory compromised patients
US20110083670A1 (en) * 2009-10-12 2011-04-14 Walacavage Alexander J Breathing apparatus and associated methods of use
WO2011062510A1 (en) 2009-11-18 2011-05-26 Fisher & Paykel Healthcare Limited Nasal interface
JP6017961B2 (en) 2010-01-05 2016-11-02 マイクロドース セラピューテクス,インコーポレイテッド Inhalation devices and methods
WO2012047121A1 (en) 2010-10-08 2012-04-12 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
CN103917267B (en) 2011-11-09 2017-09-15 皇家飞利浦有限公司 Customizable user interface for respiratory ventilation devices and systems commonly used
DE102013001169A1 (en) 2013-01-24 2014-07-24 Technogel Gmbh Pillow-like moldings and the use thereof
EP3095478A1 (en) * 2015-05-19 2016-11-23 Air Liquide Medical Systems Respiratory mask with improved cushion
US20170080263A1 (en) * 2015-09-18 2017-03-23 Chih-Tsung Chiu Mask

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254854A (en) * 1941-05-16 1941-09-02 Harold V O'connell Anesthetic administering device
US2625155A (en) * 1950-12-11 1953-01-13 Arthur E Engelder Face mask
US2837090A (en) * 1955-07-06 1958-06-03 Bloom Aaron Universal aviators oxygen breathing mask
US2917045A (en) * 1958-12-10 1959-12-15 Air Reduction Face mask and similar devices having body-conforming means
US2931356A (en) * 1958-08-25 1960-04-05 Puritan Compressed Gas Corp Oxygen mask having detachable face seal cushion
CA618807A (en) * 1961-04-25 Ellis A. Galleher, Jr. Selective contour retaining mask
US5181506A (en) * 1991-05-02 1993-01-26 The United States Of America As Represented By The Secretary Of The Army Multilayer protective gas mask
US5343878A (en) * 1992-06-08 1994-09-06 Respironics Inc. Pressure application method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5334646B1 (en) * 1977-03-17 1998-09-08 Applied Elastomerics Inc Thermoplastic elastomer gelatinous articles
US4369284A (en) * 1977-03-17 1983-01-18 Applied Elastomerics, Incorporated Thermoplastic elastomer gelatinous compositions
US4665570A (en) * 1985-11-12 1987-05-19 Davis James E P Face mask seal
US5647357A (en) * 1995-09-08 1997-07-15 Respironics, Inc. Respiratory mask facial seal
US5662101A (en) * 1995-12-07 1997-09-02 Respironics, Inc. Respiratory facial mask

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA618807A (en) * 1961-04-25 Ellis A. Galleher, Jr. Selective contour retaining mask
US2254854A (en) * 1941-05-16 1941-09-02 Harold V O'connell Anesthetic administering device
US2625155A (en) * 1950-12-11 1953-01-13 Arthur E Engelder Face mask
US2837090A (en) * 1955-07-06 1958-06-03 Bloom Aaron Universal aviators oxygen breathing mask
US2931356A (en) * 1958-08-25 1960-04-05 Puritan Compressed Gas Corp Oxygen mask having detachable face seal cushion
US2917045A (en) * 1958-12-10 1959-12-15 Air Reduction Face mask and similar devices having body-conforming means
US5181506A (en) * 1991-05-02 1993-01-26 The United States Of America As Represented By The Secretary Of The Army Multilayer protective gas mask
US5343878A (en) * 1992-06-08 1994-09-06 Respironics Inc. Pressure application method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
S.F.C. Stewart, V. Palmieri and G.V.B. Cochran, "Wheelchair Cushion Effect on Skin Temperature, Heat Flux, and Relative Humidity", Arch. Phys. Med. Rehabil., vol. 61, pp. 229-233 (May 1980).
S.F.C. Stewart, V. Palmieri and G.V.B. Cochran, Wheelchair Cushion Effect on Skin Temperature, Heat Flux, and Relative Humidity , Arch. Phys. Med. Rehabil., vol. 61, pp. 229 233 (May 1980). *

Cited By (327)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6123071A (en) 1993-06-18 2000-09-26 Resmed Limited Facial masks for assisted respiration or CPAP
US6039044A (en) * 1994-12-09 2000-03-21 University Of Sydney Gas delivery mask
US6152137A (en) * 1995-01-23 2000-11-28 Schwartz; Alan N. Pliable and resilient sealing pad
US5966745A (en) * 1995-01-23 1999-10-19 Schwartz; Alan N. Goggles with pliable and resilient sealing pad
US6397847B1 (en) 1995-09-08 2002-06-04 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
US6895965B2 (en) 1995-09-08 2005-05-24 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
US20060076018A1 (en) * 1995-09-08 2006-04-13 Respironics, Inc. Patient contacting seal and mask using same
US8485190B2 (en) 1995-09-08 2013-07-16 Ric Investments, Llc Patient contacting seal and mask using same
US20110088698A1 (en) * 1995-09-08 2011-04-21 Ric Investments, Llc Patient contacting seal and mask using same
US7870859B2 (en) 1995-09-08 2011-01-18 Ric Investments, Llc Patient contacting seal and mask using same
US20020100479A1 (en) * 1995-09-08 2002-08-01 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
US5884624A (en) * 1995-09-08 1999-03-23 Respironics, Inc. Respiratory mask facial seal
US6357441B1 (en) 1996-07-26 2002-03-19 Resmed Limited Nasal mask and mask cushion therefor
US8056561B2 (en) 1996-07-26 2011-11-15 Resmed Limited Full-face mask and mask cushion therefor
US8522783B2 (en) 1996-07-26 2013-09-03 Resmed Limited Cushion and mask therefor
US8636006B2 (en) 1996-07-26 2014-01-28 Resmed Limited Mask
US6112746A (en) 1996-07-26 2000-09-05 Resmed Limited Nasal mask and mask cushion therefor
US7950392B2 (en) 1996-07-26 2011-05-31 Resmed Limited Cushion and mask therefor
US6581602B2 (en) * 1996-07-26 2003-06-24 Resmed Limited Nasal mask and mask cushion therefor
US6634358B2 (en) 1996-07-26 2003-10-21 Resmed Limited Nasal mask cushion assembly
US8813748B2 (en) 1996-07-26 2014-08-26 Resmed Limited Full-face mask and mask cushion therefor
US6701927B2 (en) * 1996-07-26 2004-03-09 Resmed Limited Full-face mask and mask cushion therefor
US9421339B2 (en) 1996-07-26 2016-08-23 Resmed Limited Patient interface
USD498529S1 (en) 1996-07-26 2004-11-16 Resmed Limited Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP)
US6513526B2 (en) * 1996-07-26 2003-02-04 Resmed Limited Full-face mask and mask cushion therefor
US9463295B2 (en) 1996-07-26 2016-10-11 Resmed Limited Mask and mask cushion therefor
US8997739B2 (en) 1996-10-16 2015-04-07 Resmed Limited Vent valve apparatus
US9770571B2 (en) 1996-10-16 2017-09-26 Resmed Limited Vent valve assembly
US6006748A (en) 1996-10-16 1999-12-28 Resmed Limited Vent valve apparatus
US6019101A (en) * 1996-10-31 2000-02-01 Sleepnet Corporation Nasal air mask
US6494207B1 (en) 1996-12-02 2002-12-17 Resmed Limited Harness assembly for a nasal mask
US6044844A (en) 1996-12-02 2000-04-04 Resmed Limited Mask and harness assembly
US6029660A (en) 1996-12-12 2000-02-29 Resmed Limited Substance delivery apparatus
US7845354B2 (en) 1997-02-10 2010-12-07 Resmed Limited Mask and vent assembly therefor
US8833371B2 (en) 1997-02-10 2014-09-16 Resmed Limited Mask and vent assembly therefor
US8122886B2 (en) 1997-02-10 2012-02-28 Resmed Limited Respiratory mask assembly with vent
US8826910B2 (en) 1997-02-10 2014-09-09 Resmed Limited Mask and vent assembly therefor
US6561191B1 (en) 1997-02-10 2003-05-13 Resmed Limited Mask and a vent assembly therefor
US6561190B1 (en) 1997-02-10 2003-05-13 Resmed Limited Mask and a vent assembly therefor
USD435650S (en) 1997-02-25 2000-12-26 Resmed Limited Combined nasal mask shell and cushion
USD428987S (en) 1997-02-25 2000-08-01 Resmed Limited Nasal mask shell
USD423096S (en) 1997-02-25 2000-04-18 Resmed Limited Nasal mask cushion
US6176239B1 (en) * 1997-08-06 2001-01-23 The United States Of America As Represented By The Secretary Of The Army Advanced chemical-biological mask
US6119693A (en) 1998-01-16 2000-09-19 Resmed Limited Forehead support for facial mask
USD807497S1 (en) 1998-01-16 2018-01-09 Resmed Limited Pad for forehead support
US9220861B2 (en) 1998-01-16 2015-12-29 Resmed Limited Forehead support for facial mask
US20040060561A1 (en) * 1998-01-16 2004-04-01 Resmed Limited Forehead support for facial mask
USD782028S1 (en) 1998-01-16 2017-03-21 Resmed Limited Pad for forehead support
US6463931B1 (en) 1998-01-16 2002-10-15 Resmed Limited Forehead support for facial mask
US7882837B2 (en) 1998-01-16 2011-02-08 Resmed Limited Forehead support for facial mask
US6557556B2 (en) 1998-01-16 2003-05-06 Resmed Limited Forehead support for facial mask
US6691708B2 (en) 1998-01-16 2004-02-17 Resmed Limited Forehead support for facial mask
US5918598A (en) * 1998-04-10 1999-07-06 Belfer; William A. Strapless respiratory facial mask for customizing to the wearer's face
US6125338A (en) * 1998-04-22 2000-09-26 University Of Pittsburgh Contour replicating and measuring device
US6494206B1 (en) * 1998-05-12 2002-12-17 Mallinckrodt Inc. Customizable face or nose mask for the noninvasive ventilation of patients in general
WO1999058198A1 (en) * 1998-05-12 1999-11-18 Mallinckrodt Inc. Customizable face or nose mask for the noninvasive ventilation of patients in general
US20030075181A1 (en) * 1998-05-12 2003-04-24 Paolo Bergamaschi Customizable face or nose mask for the noninvasive ventilation of patients in general
US6843249B2 (en) * 1998-05-12 2005-01-18 Mallinckrodt, Inc. Customizable face or nose mask for the noninvasive ventilation of patients in general
DE19831209A1 (en) * 1998-07-04 2000-01-13 Auergesellschaft Gmbh Sealing line system for gas masks
EP1124615A4 (en) * 1998-10-05 2004-03-31 Respironics Inc Customizable seal, mask with customizable seal and method of using such a seal
EP1124615A1 (en) * 1998-10-05 2001-08-22 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
WO2000020072A1 (en) * 1998-10-05 2000-04-13 Respironics, Inc. Customizable seal, mask with customizable seal and method of using such a seal
DE19848309A1 (en) * 1998-10-13 2000-04-27 Auergesellschaft Gmbh Seal for breathing protection half and full masks involves closed seal and matching frame of solid gel material arranged in mask body
DE19848308A1 (en) * 1998-10-13 2000-04-27 Auergesellschaft Gmbh Seal for breathing protection masks, escape and life-saving apparatus, involves trough in mask body in which exchangeable sealing and matching frame made of solid gel material is positively engaged
US9808589B2 (en) * 1998-12-09 2017-11-07 Resmed Limited Method for assembling a patient interface
US20140150238A1 (en) * 1998-12-09 2014-06-05 Resmed Limited Method for assembling a patient interface
US7174893B2 (en) * 1999-02-09 2007-02-13 Resmed Limited Mask with anti-asphyxia valve
US20020023649A1 (en) * 1999-02-09 2002-02-28 Resmed Limited Gas delivery connection assembly
US7185652B2 (en) 1999-02-09 2007-03-06 Resmed Limited Gas delivery connection assembly
US20060076017A1 (en) * 1999-02-09 2006-04-13 Resmed Limited Mask with anti-asphyxia valve
WO2000050121A1 (en) * 1999-02-25 2000-08-31 Respironics, Inc. Adhesive nasal mask assembly, system and method of using same
US8646450B2 (en) 1999-03-29 2014-02-11 Resmed Limited Forehead support for a facial mask
US7942149B2 (en) 1999-03-29 2011-05-17 Resmed Limited Forehead support for a facial mask
US6412488B1 (en) 1999-05-12 2002-07-02 Respironics, Inc. Low contact nasal mask and system using same
US20040094158A1 (en) * 1999-05-12 2004-05-20 Respironics, Inc. Nasal mask and system using same
US6959710B2 (en) 1999-05-12 2005-11-01 Respironics, Inc. Nasal mask and system using same
US7703457B2 (en) 1999-05-12 2010-04-27 Respironics, Inc Nasal mask and system using same
US20060027236A1 (en) * 1999-05-12 2006-02-09 Respironics, Inc. Nasal mask and system using same
US6729333B2 (en) 1999-05-12 2004-05-04 Respironics, Inc. Low contact nasal mask and system using same
US6651663B2 (en) * 1999-05-12 2003-11-25 Respironics, Inc. Nasal mask and system using same
WO2000069521A1 (en) * 1999-05-12 2000-11-23 Respironics, Inc. Low contact nasal mask and system using same
US6631718B1 (en) * 1999-06-08 2003-10-14 Sleepnet Corporation Air mask with seal
US7219669B1 (en) * 1999-06-08 2007-05-22 Sleepnet Corporation Nose mask
US7210481B1 (en) * 1999-06-08 2007-05-01 Sleepnet Corporation Nose mask
US6626177B1 (en) * 1999-06-18 2003-09-30 Saeed Ziaee Nasal mask
US20030034034A1 (en) * 1999-06-18 2003-02-20 Resmed Limited Forehead support for facial mask
US8186348B2 (en) 1999-06-18 2012-05-29 Resmed Limited Forehead support for facial mask
US9592359B2 (en) 1999-06-18 2017-03-14 Resmed Limited Forehead support for facial mask
US6467483B1 (en) 1999-07-28 2002-10-22 Respironics, Inc. Respiratory mask
US7665464B2 (en) * 1999-07-28 2010-02-23 Ric Investments, Llc Respiratory mask
US6773418B1 (en) * 1999-08-18 2004-08-10 Iotek, Inc. Device and method for delivery of agents to the female reproductive tract
US9669176B2 (en) 1999-11-03 2017-06-06 Australian Centre For Advanced Medical Technology Ltd. Mask
US20100192954A1 (en) * 1999-11-03 2010-08-05 Australian Centre For Advanced Medical Technology Ltd. Mask
US20100282265A1 (en) * 2000-02-25 2010-11-11 Map Medizin-Technologie Gmbh Sealing lip device for a breathing mask, a breathing mask and a method and a mold for producing same
US9242062B2 (en) 2000-02-25 2016-01-26 Resmed R&D Germany Gmbh Breathing mask and a sealing lip device for a breathing mask
US8820327B2 (en) * 2000-02-25 2014-09-02 Resmed R&D Germany Gmbh Sealing lip device for a breathing mask, a breathing mask and a method and a mold for producing same
US20090139526A1 (en) * 2000-02-25 2009-06-04 Map Medizin-Technologie Sealing lip device for a respiratory mask, respiratory mask and a method and mould for producing the same
US8931484B2 (en) 2000-02-25 2015-01-13 Resmed R&D Germany Gmbh Sealing lip device for a respiratory mask, respiratory mask and a method and mould for producing the same
US6629531B2 (en) 2000-04-17 2003-10-07 Scott Technologies, Inc. Respiratory mask and service module
US7926487B2 (en) 2000-05-15 2011-04-19 Resmed Limited Respiratory mask having gas washout vent and gas washout vent assembly for a respiratory mask
US8528558B2 (en) 2000-05-15 2013-09-10 Resmed Limited Respiratory mask having washout vent and gas washout vent assembly for a respiratory mask
US20090223520A1 (en) * 2000-06-14 2009-09-10 Mcauley Alastair Edwin Breathing assistance apparatus
US8613279B2 (en) * 2000-06-14 2013-12-24 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US20040065327A1 (en) * 2000-06-14 2004-04-08 Fisher & Paykel Healthcare Limited Nasal mask
US6662803B2 (en) * 2000-06-14 2003-12-16 Fisher & Paykel Healthcare Limited Nasal mask
US9707368B2 (en) 2000-06-14 2017-07-18 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US8100126B2 (en) * 2000-06-14 2012-01-24 Mcauley Alastair Edwin Breathing assistance apparatus
US20080047557A1 (en) * 2000-06-14 2008-02-28 Gradon Lewis G Breathing assistance apparatus
US20060237018A1 (en) * 2000-06-14 2006-10-26 Mcauley Alastair E Breathing assistance apparatus
US8602029B2 (en) * 2000-06-14 2013-12-10 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US9522246B2 (en) 2000-06-22 2016-12-20 Resmed Limited Mask with gusset
US20030089372A1 (en) * 2000-06-22 2003-05-15 Frater Robert H. Mask with gusset
US20060213520A1 (en) * 2000-06-22 2006-09-28 Resmed Limited Mask with gusset
US20040144386A1 (en) * 2000-06-22 2004-07-29 Resmed Limited Mask with gusset
US7107989B2 (en) 2000-06-22 2006-09-19 Resmed Limited Mask with gusset
US6772760B2 (en) * 2000-06-22 2004-08-10 Resmed Limited Mask with gusset
US8978653B2 (en) * 2000-06-22 2015-03-17 Resmed Limited Mask with gusset
US6986352B2 (en) 2000-06-22 2006-01-17 Resmed Limited Mask with gusset
US6530373B1 (en) * 2000-08-04 2003-03-11 Mallinckrodt Inc. Respirator mask
US7775209B2 (en) 2000-10-19 2010-08-17 Map Medizintechnologie Gmbh Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US8371301B2 (en) 2000-10-19 2013-02-12 Resmed R&D Germany Gmbh Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US20030221691A1 (en) * 2000-10-19 2003-12-04 Achim Biener Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US9662467B2 (en) 2000-10-19 2017-05-30 Resmed R&D Germany Gmbh Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US8746250B2 (en) 2000-10-19 2014-06-10 Resmed R&D Germany Gmbh Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
US6728589B1 (en) 2000-10-20 2004-04-27 Mallinckrodt Inc. Customized respiratory mask and method of manufacturing same
WO2002041953A1 (en) * 2000-11-23 2002-05-30 Speedo International Limited Goggles and masks
US8413657B2 (en) 2000-12-07 2013-04-09 Resmed Limited Mask brace and mask assembly
US8042541B2 (en) 2000-12-07 2011-10-25 Resmed Limited Mask brace and mask assembly
US20040065328A1 (en) * 2000-12-07 2004-04-08 Amarasinghe Amal Shirley Mask brace and mask assembly
US6679260B2 (en) * 2001-01-25 2004-01-20 Ching-Ling Her Apparatus and method for forming a ventilation mask
US8733358B2 (en) 2001-09-07 2014-05-27 Resmed Limited Cushion for a respiratory mask assembly
US7958893B2 (en) 2001-09-07 2011-06-14 Resmed Limited Cushion for a respiratory mask assembly
US9072853B2 (en) 2001-09-07 2015-07-07 Resmed Limited Forehead pad for respiratory mask
US9724488B2 (en) 2001-09-07 2017-08-08 Resmed Limited Cushion for a respiratory mask assembly
US7992559B2 (en) 2001-10-22 2011-08-09 Map Medizin-Technologie Gmbh Breathing mask arrangement as well as an application device and a forehead support device for same
US8875710B2 (en) 2001-10-22 2014-11-04 Resmed R&D Germany Gmbh Application device for a breathing mask arrangement
US9144656B2 (en) 2001-10-22 2015-09-29 Resmed R&D Germany Gmbh Breathing mask arrangement as well as an application device and a forehead support device for same
US9757534B2 (en) 2001-10-22 2017-09-12 Resmed R&D Germany Gmbh Breathing mask arrangement as well as an application device and a forehead support device for same
US8479738B2 (en) 2001-10-22 2013-07-09 Resmed R&D Germany Gmbh Breathing mask arrangement as well as an application device and a forehead support device for same
US7967014B2 (en) 2001-10-22 2011-06-28 Map Medizin-Technologie Gmbh Application device for breathing mask arrangement
US20070101997A1 (en) * 2001-11-28 2007-05-10 Paul Chiesa Respiratory mask
US7938117B2 (en) 2001-11-28 2011-05-10 Sleepnet Corporation Respiratory mask
FR2834469A1 (en) * 2002-01-08 2003-07-11 Robert Schegerin Light respiratory protection mask comprises gas supply, shell-shaped dish keeping shape of mask with head fastening system, sealing lip surrounding wearer's nose and mouth and pasty substance placed in cavity near sealing lip
US8402972B2 (en) 2002-01-17 2013-03-26 Resmed R&D Germany Gmbh Breathing mask arrangement and a forehead support device for same
US7654263B2 (en) 2002-01-17 2010-02-02 Map Medizin-Technologie Gmbh Breathing mask arrangement and a forehead support device for same
US9259549B2 (en) 2002-01-17 2016-02-16 Resmed R&D Germany Gmbh Breathing mask arrangement and a forehead support device for same
US6860268B2 (en) 2002-02-06 2005-03-01 Shelly Bohn Pediatric ventilation mask and headgear system
US20030168063A1 (en) * 2002-03-08 2003-09-11 Gambone Anthony Joseph Pressure face mask and nasal mask
US7743767B2 (en) 2002-04-23 2010-06-29 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US20090145429A1 (en) * 2002-04-23 2009-06-11 Resmed Limited Ergonomic and adjustable respiratory mask assembly with elbow assembly
US8371302B2 (en) 2002-04-23 2013-02-12 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US20030196656A1 (en) * 2002-04-23 2003-10-23 Moore Rachael E. Ergonomic and adjustable respiratory mask assembly with cushion
US7874291B2 (en) 2002-04-23 2011-01-25 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US9669180B2 (en) 2002-04-23 2017-06-06 Resmed Limited Ergonomic and adjustable respiratory mask assembly with elbow assembly
US20060272645A1 (en) * 2002-04-23 2006-12-07 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US20100229869A1 (en) * 2002-04-23 2010-09-16 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US20030196658A1 (en) * 2002-04-23 2003-10-23 Ging Anthony M. Ergonomic and adjustable respiratory mask assembly with frame
US7997267B2 (en) 2002-04-23 2011-08-16 Resmed Limited Ergonomic and adjustable respiratory mask assembly with elbow assembly
US8944058B2 (en) 2002-04-23 2015-02-03 Resmed Limited Patient interface device
US8997742B2 (en) 2002-04-23 2015-04-07 Resmed Limited Ergonomic and adjustable respiratory mask assembly with cushion
US9421340B2 (en) 2002-04-23 2016-08-23 Resmed Limited Ergonomic and adjustable respiratory mask assembly with cushion
US9802018B2 (en) 2002-04-23 2017-10-31 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US9457162B2 (en) 2002-04-23 2016-10-04 Resmed Limited Ergonomic and adjustable respiratory mask assembly with headgear assembly
US8833370B2 (en) 2002-04-23 2014-09-16 Resmed Limited Ergonomic and adjustable respiratory mask assembly with frame
US8387616B2 (en) 2002-04-23 2013-03-05 Resmed Limited Ergonomic and adjustable respiratory mask assembly with elbow assembly
US20050199239A1 (en) * 2002-06-14 2005-09-15 Bernd Lang Mask cushioning and forehead pad for a respiratory mask, respiratory mask in addition to a mould and method for their production
US9597473B2 (en) 2002-08-05 2017-03-21 Resmed Limited Inextensible headgear and CPAP or ventilator mask assembly with same
US8522785B2 (en) 2002-08-05 2013-09-03 Resmed Limited Inextensible headgear and CPAP or ventilator mask assembly with the same
US9802021B2 (en) 2002-12-06 2017-10-31 Fisher & Paykel Healthcare Limited Mouthpiece
US8210180B2 (en) 2003-04-10 2012-07-03 Resmed Limited Mask with integral cushion and forehead piece
US7762259B2 (en) 2003-04-10 2010-07-27 Resmed Limited Mask with integral cushion and forehead piece
US9248251B2 (en) 2003-04-10 2016-02-02 Resmed Limited Mask with integral cushion and forehead piece
US8794239B2 (en) 2003-04-10 2014-08-05 Resmed Limited Mask with integral cushion and forehead piece
US20060201514A1 (en) * 2003-05-02 2006-09-14 Jones Michael A Mask system
US7861715B2 (en) 2003-05-02 2011-01-04 Resmed Limited Mask system
US8505535B2 (en) 2003-05-02 2013-08-13 Resmed Limited Mask system
US20050022820A1 (en) * 2003-05-05 2005-02-03 Kwok Philip R. Forehead support for facial mask
US20070113854A1 (en) * 2003-12-12 2007-05-24 Resmed Limited Injection control for non-invented mask
US9067033B2 (en) 2003-12-31 2015-06-30 Resmed Limited Compact oronasal patient interface
US7942148B2 (en) 2003-12-31 2011-05-17 Resmed Limited Compact oronasal patient interface
US9220860B2 (en) 2003-12-31 2015-12-29 Resmed Limited Compact oronasal patient interface
US7640933B1 (en) 2004-02-13 2010-01-05 RIC Investment, Inc. Hybrid textured/polished respiratory mask seal and respiratory mask using same
US8230861B2 (en) 2004-02-13 2012-07-31 Ric Investments, Inc. Hybrid textured/polished respiratory mask seal and respiratory mask using same
US20100065059A1 (en) * 2004-02-13 2010-03-18 Koninklijke Philips Electronics N.V. Hybrid textured/polished respiratory mask seal and respiratory mask using same
US9399107B2 (en) 2004-02-13 2016-07-26 Ric Investments, Llc Textured/polished respiratory mask seal and mask
US8662080B2 (en) 2004-02-13 2014-03-04 Koninklijke Philips N.V. Textured/polished respiratory mask seal and mask
US8757162B2 (en) 2004-04-09 2014-06-24 Resmed Limited Nasal assembly
US7942150B2 (en) 2004-04-09 2011-05-17 Resmed Limited Nasal assembly
US8807135B2 (en) 2004-06-03 2014-08-19 Resmed Limited Cushion for a patient interface
US9238116B2 (en) 2004-06-03 2016-01-19 Redmed Limited Cushion for a patient interface
US8353294B2 (en) 2004-06-16 2013-01-15 Resmed Limited Respiratory mask assembly
US9375545B2 (en) 2004-06-16 2016-06-28 Resmed Limited Respiratory mask assembly
US7353827B2 (en) 2004-09-01 2008-04-08 Vitol Signs, Inc. Mask, mask shell and seal with improved mounting, mask seal, method of mask manufacture and mask with reduced exhalation noise
US20060042629A1 (en) * 2004-09-01 2006-03-02 Vital Signs Inc. Mask, mask shell and seal with improved mounting, mask seal, method of mask manufacture and mask with reduced exhalation noise
US8450553B2 (en) 2004-09-16 2013-05-28 Dsu Medical Corporation Injection and hemostasis site
US20060079823A1 (en) * 2004-09-16 2006-04-13 Utterberg David S Injection and hemostasis site
US8592639B2 (en) 2004-09-16 2013-11-26 Dsu Medical Corp. Injection and hemostasis site
US20070066926A1 (en) * 2004-09-16 2007-03-22 Utterberg David S Injection and hemostasis site
US8674165B2 (en) 2004-09-16 2014-03-18 Lifestream Medical Corporation Adhesive injection site
US8017826B2 (en) 2004-09-16 2011-09-13 Dsu Medical Corporation Injection and hemostasis site
US20070083138A1 (en) * 2004-09-16 2007-04-12 Utterberg David S Adhesive injection site
US20060096598A1 (en) * 2004-11-05 2006-05-11 Ho Peter C F Respiratory mask seal and mask using same
US8127764B2 (en) 2004-11-05 2012-03-06 Ric Investments Llc Respiratory mask cushion and mask using same
US8573211B2 (en) 2004-11-05 2013-11-05 Ric Investments, Llc Respiratory mask seal and mask using same
US20120012114A1 (en) * 2004-12-10 2012-01-19 Respcare, Inc. Hybrid ventilation mask with nasal interface and method for configuring such a mask
US20140311493A1 (en) * 2004-12-10 2014-10-23 Respcare, Inc. Hybrid ventilation mask with nasal interface and method for configuring such a mask
US8752551B2 (en) * 2004-12-10 2014-06-17 Respcare, Icn. Hybrid ventilation mask with nasal interface and method for configuring such a mask
US7237551B2 (en) 2004-12-22 2007-07-03 Ric Investments, Llc. Cushion for a patient interface
US9636475B2 (en) 2004-12-22 2017-05-02 Ric Investments, Llc Cushion for a patient interface
US20060130844A1 (en) * 2004-12-22 2006-06-22 Ric Investments, Llc. Cushion for a patient interface
US20070221228A1 (en) * 2004-12-22 2007-09-27 Ric Investments, Llc Cushion for a Patient Interface
US7931024B2 (en) 2004-12-22 2011-04-26 Ric Investments, Llc Cushion for a patient interface
US8631792B2 (en) 2004-12-22 2014-01-21 Ric Investments, Llc Cushion for a patient interface
US20110155139A1 (en) * 2004-12-22 2011-06-30 Ric Investments, Llc Cushion for a patient interface
US9295800B2 (en) 2005-01-12 2016-03-29 Resmed Limited Cushion for patient interface
US8550082B2 (en) 2005-01-12 2013-10-08 Resmed Limited Cushion for patient interface
US8616211B2 (en) 2005-01-12 2013-12-31 Resmed Limited Cushion for patient interface
US8485192B2 (en) 2005-01-12 2013-07-16 Resmed Limited Cushion for patient interface
US8550081B2 (en) 2005-01-12 2013-10-08 Resmed Limited Cushion for patient interface
US8613281B2 (en) 2005-01-12 2013-12-24 Resmed Limited Cushion for patient interface
US8567404B2 (en) 2005-01-12 2013-10-29 Resmed Limited Cushion for patient interface
US8573213B2 (en) 2005-01-12 2013-11-05 Resmed Limited Cushion for patient interface
US8573214B2 (en) 2005-01-12 2013-11-05 Resmed Limited Cushion for patient interface
US8573215B2 (en) 2005-01-12 2013-11-05 Resmed Limited Cushion for patient interface
US9308342B2 (en) 2005-01-12 2016-04-12 Resmed Limited Respiratory masks with gusseted cushions
US8550083B2 (en) 2005-01-12 2013-10-08 Resmed Limited Cushion for patient interface
US8578935B2 (en) 2005-01-12 2013-11-12 Resmed Limited Cushion for patient interface
US8613280B2 (en) 2005-01-12 2013-12-24 Resmed Limited Cushion for patient interface
US8555885B2 (en) 2005-01-12 2013-10-15 Resmed Limited Cushion for patient interface
US7546837B2 (en) 2005-03-16 2009-06-16 Ric Investments, Llc Interface with rolling diaphragm
US20060249159A1 (en) * 2005-04-13 2006-11-09 Ho Peter C F Cushion inside a cushion patient interface
US7287528B2 (en) 2005-04-13 2007-10-30 Ric Investments, Llc Cushion inside a cushion patient interface
US8267089B2 (en) 2005-04-13 2012-09-18 Koninklijke Philips Electronics N.V. Cushion inside a cushion patient interface
US20100065060A1 (en) * 2005-04-13 2010-03-18 Koninklijke Philips Electronics N.V. Cushion inside a cushion patient interface
US8113202B2 (en) 2005-04-13 2012-02-14 Ric Investments, Llc Cushion inside a cushion patient interface
US7631644B2 (en) 2005-04-13 2009-12-15 Ric Investments, Llc Cushion inside a cushion patient interface
US8662079B2 (en) 2005-04-13 2014-03-04 Koninklijke Philips N.V. Cushion inside a cushion patient interface
US20070039620A1 (en) * 2005-04-14 2007-02-22 Rick Sustello Sealing arrangement for wearable article
US20060249160A1 (en) * 2005-05-06 2006-11-09 Ric Investments, Llc. Patient interface with respiratory gas measurement component
WO2006122092A2 (en) 2005-05-06 2006-11-16 Ric Investments, Llc Patient interface with respiratory gas measurement component
US7568483B2 (en) 2005-05-06 2009-08-04 Ric Investments, Llc Patient interface with respiratory gas measurement component
US8944061B2 (en) 2005-10-14 2015-02-03 Resmed Limited Cushion to frame assembly mechanism
US9381316B2 (en) 2005-10-25 2016-07-05 Resmed Limited Interchangeable mask assembly
WO2007059504A3 (en) * 2005-11-15 2007-12-06 Ric Investments Llc Respiratory mask
CN101309727B (en) 2005-11-15 2012-10-31 Ric投资有限公司 Breathing mask
US20070107733A1 (en) * 2005-11-15 2007-05-17 Ric Investments, Llc. Respiratory mask
US8051855B2 (en) 2005-11-15 2011-11-08 Ric Investments, Llc Respiratory mask
WO2007064969A1 (en) * 2005-12-01 2007-06-07 Sleepnet Corporation Respiratory mask
US20090038619A1 (en) * 2005-12-07 2009-02-12 Koninklijke Philips Electronics N.V. Full face respiratory mask with integrated nasal interface
US8028699B2 (en) 2005-12-07 2011-10-04 Ric Investments, Llc Full face respiratory mask with integrated nasal interface
US8347886B2 (en) 2005-12-07 2013-01-08 Ric Investments, Llc Full face respiratory mask with integrated nasal interface
US20070125385A1 (en) * 2005-12-07 2007-06-07 Ho Peter C F Full face respiratory mask with integrated nasal interface
US8807134B2 (en) 2005-12-07 2014-08-19 Ric Investments, Llc Full face respiratory mask with integrated nasal interface
US7448386B2 (en) 2005-12-07 2008-11-11 Ric Investments, Llc Full face respiratory mask with integrated nasal interface
US7743768B2 (en) 2005-12-20 2010-06-29 Ric Investments, Llc Patient interface device with dampening cushion
US20070163594A1 (en) * 2005-12-20 2007-07-19 Ho Peter C F Patient interface device with dampening cushion
US9320865B2 (en) 2006-03-09 2016-04-26 Ric Investments, Llc Super-soft gel seal and mask using same
US20070221227A1 (en) * 2006-03-09 2007-09-27 Ric Investments, Llc Super-sofr gel seal and mask using same
US20100224199A1 (en) * 2006-05-01 2010-09-09 Kimberly-Clark Worldwide, Inc. Respirator
US9649463B2 (en) 2006-05-05 2017-05-16 Ric Investments, Llc Patient interface device with limited support area on the face
US9248250B2 (en) 2006-05-05 2016-02-02 Ric Investments, Llc Patient interface device with limited support area on the face
US8701667B1 (en) 2006-05-05 2014-04-22 Ric Investments, Llc Patient interface device with limited support area on the face
US7896003B2 (en) 2006-06-16 2011-03-01 Ric Investments, Llc Chin pivot patient interface device
US8356592B2 (en) 2006-06-16 2013-01-22 Ric Investments, Llc Chin pivot patient interface device
US8910626B2 (en) 2006-06-16 2014-12-16 Ric Investments, Llc Chin pivot patient interface device
US20090120443A1 (en) * 2006-06-16 2009-05-14 Koninklijke Philips Electronics, N.V. Chin pivot patient interface device
US7500480B2 (en) 2006-06-16 2009-03-10 Koninklijke Philips Electronics N.V. Chin pivot patient interface device
US20080015482A1 (en) * 2006-07-13 2008-01-17 Utterberg David S Resilient double pad hemostasis devices
US20080023006A1 (en) * 2006-07-26 2008-01-31 3M Innovative Properties Company Respirator That Uses A Predefined Curved Nose Foam
US8297285B2 (en) 2006-07-28 2012-10-30 Resmed Limited Delivery of respiratory therapy
US9827391B2 (en) 2006-07-28 2017-11-28 Resmed Limited Delivery of respiratory therapy
US9162034B2 (en) 2006-07-28 2015-10-20 Resmed Limited Delivery of respiratory therapy
US20080097270A1 (en) * 2006-08-25 2008-04-24 Utterberg David S Resilient hemostasis devices
US8028698B2 (en) 2006-09-18 2011-10-04 Invacare Corporation Breathing mask
US7904193B2 (en) 2006-09-29 2011-03-08 Nellcor Puritan Bennett Llc Systems and methods for providing custom masks for use in a breathing assistance system
US20080078396A1 (en) * 2006-09-29 2008-04-03 Nellcor Puritan Bennett Incorporated Systems and methods for providing custom masks for use in a breathing assistance system
US20080110469A1 (en) * 2006-11-13 2008-05-15 Stanley Weinberg Strapless flexible tribo-charged respiratory facial mask and method
US20090277451A1 (en) * 2006-11-13 2009-11-12 Stanley Weinberg Strapless cantilevered respiratory mask sealable to a user's face and method
US8302605B2 (en) * 2006-11-17 2012-11-06 Resmed Limited Mask assembly, and frame and swivel connector therefor
US20100000538A1 (en) * 2006-11-17 2010-01-07 Resmed Limited Mask assembly, and frame and swivel connector therefor
US20140123983A1 (en) * 2006-12-06 2014-05-08 Weinmann Geraete Fuer Medizin Gmbh & Co. Kg Ventilator mask with a filler and method of production
US20080149104A1 (en) * 2006-12-06 2008-06-26 Weinmann Gerate Fur Medizin Gmbh & Co. Kg Ventilator mask with a filler and method of production
US8684004B2 (en) * 2006-12-06 2014-04-01 Weinmann Geräte für Medizin GmbH & Co. KG Ventilator mask with a filler and method of production
US9795754B2 (en) * 2006-12-06 2017-10-24 Loewenstein Medical Technology S.A. Ventilator mask with a filler and method of production
US9387301B2 (en) 2006-12-19 2016-07-12 Koninklijke Philips N.V. Pad assembly having outer casing and support element
US8852480B2 (en) * 2007-01-22 2014-10-07 Resmed R&D Germany Gmbh Method for manufacturing hollow structure for breathing mask
US20100101581A1 (en) * 2007-01-22 2010-04-29 Map Medizin-Technologie Gmbh Hollow structure and method/tool for manufacturing same
US8960196B2 (en) 2007-01-30 2015-02-24 Resmed Limited Mask system with interchangeable headgear connectors
US8517023B2 (en) 2007-01-30 2013-08-27 Resmed Limited Mask system with interchangeable headgear connectors
US20080289633A1 (en) * 2007-04-11 2008-11-27 Resmed Limited Mask with gel component
US8869797B2 (en) 2007-04-19 2014-10-28 Resmed Limited Cushion and cushion to frame assembly mechanism for patient interface
US9782553B2 (en) * 2007-07-13 2017-10-10 Resmed Limited Patient interface and non-invasive positive pressure ventilating method
US20090014007A1 (en) * 2007-07-13 2009-01-15 Resmed Limited Patient interface and non-invasive positive pressure ventilating method
US9480809B2 (en) 2007-07-30 2016-11-01 Resmed Limited Patient interface
US9642403B2 (en) 2007-08-16 2017-05-09 Kimberly-Clark Worldwide, Inc. Strap fastening system for a disposable respirator providing improved donning
US8573201B2 (en) 2007-10-22 2013-11-05 Resmed Limited Patient interface systems
US20100229868A1 (en) * 2007-10-22 2010-09-16 Resmed Limited Patient interface systems
US9375544B2 (en) 2007-11-14 2016-06-28 Ric Investments, Llc Face mask
US20130344293A1 (en) * 2007-12-20 2013-12-26 Weinmann Geraete Fuer Medizin Gmbh & Co. Kg Device consisting of at least two materials
WO2009093174A1 (en) 2008-01-22 2009-07-30 Koninklijke Philips Electronics, N.V. Face mask
US20100294281A1 (en) * 2008-01-22 2010-11-25 Ric Investments, Llc Respiratory face mask
US8528561B2 (en) 2008-03-04 2013-09-10 Resmed Limited Mask system
US9757533B2 (en) 2008-03-04 2017-09-12 Resmed Limited Mask system with snap-fit shroud
US8550084B2 (en) 2008-03-04 2013-10-08 Resmed Limited Mask system
US9119931B2 (en) 2008-03-04 2015-09-01 Resmed Limited Mask system
US9770568B2 (en) 2008-03-04 2017-09-26 Resmed Limited Mask system with snap-fit shroud
US9027556B2 (en) 2008-03-04 2015-05-12 Resmed Limited Mask system
US8522784B2 (en) 2008-03-04 2013-09-03 Resmed Limited Mask system
US20110023883A1 (en) * 2008-04-11 2011-02-03 Koninklijke Philips Electronics, N.V. Patient interface system
US8596274B2 (en) 2008-04-11 2013-12-03 Koninklijke Philips N.V. Patient interface system
US8291906B2 (en) 2008-06-04 2012-10-23 Resmed Limited Patient interface systems
US20110162650A1 (en) * 2008-06-04 2011-07-07 Cosmeplast Ets respiratory interface devices
US9592358B2 (en) * 2008-06-04 2017-03-14 Intersurgical Ag Respiratory interface devices
US9149594B2 (en) 2008-06-04 2015-10-06 Resmed Limited Patient interface systems
US8905031B2 (en) 2008-06-04 2014-12-09 Resmed Limited Patient interface systems
US9555207B2 (en) 2008-06-05 2017-01-31 Loewenstein Medical Technology Gmbh + Co. Kg Gel filling for patient interface and method for producing patient interface with a gel filling
US8869798B2 (en) 2008-09-12 2014-10-28 Resmed Limited Foam-based interfacing structure method and apparatus
US8276588B1 (en) 2009-10-23 2012-10-02 Sleepnea Respiratory mask with adjustable shape
US20110209701A1 (en) * 2010-03-01 2011-09-01 Laura Derringer Nose pad cushion and applicator for respiratory mask
US8327851B2 (en) 2010-03-15 2012-12-11 Sleepnea Llc Respiratory mask with user interface
US20130146060A1 (en) * 2010-08-27 2013-06-13 Koninklijke Philips Electronics N.V. Cushion for a patient interface device
US20120255554A1 (en) * 2011-04-06 2012-10-11 Warren Julio A Medical system
US8413656B2 (en) * 2011-04-06 2013-04-09 Julio A. Warren Medical system
US9517367B2 (en) 2013-02-01 2016-12-13 3M Innovative Properties Company Respiratory mask having a clean air inlet chamber
USD746439S1 (en) 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
USD800908S1 (en) 2016-08-10 2017-10-24 Mitraltech Ltd. Prosthetic valve element
US9629975B1 (en) 2016-09-14 2017-04-25 Revolutionary Medical Devices, Inc. Ventilation mask

Also Published As

Publication number Publication date Type
DE69634431D1 (en) 2005-04-14 grant
EP0799076A4 (en) 2000-01-05 application
US5884624A (en) 1999-03-23 grant
JPH10508786A (en) 1998-09-02 application
CA2201961A1 (en) 1997-03-13 application
EP0799076A1 (en) 1997-10-08 application
ES2239773T3 (en) 2005-10-01 grant
EP0799076B1 (en) 2005-03-09 grant
WO1997009090A1 (en) 1997-03-13 application
JP3263084B2 (en) 2002-03-04 grant
DE69634431T2 (en) 2006-05-11 grant
CA2201961C (en) 2002-11-12 grant

Similar Documents

Publication Publication Date Title
US3308491A (en) Cushion structure
US4195639A (en) External breast prosthesis
US4919128A (en) Nasal adaptor device and seal
US7231922B2 (en) Apparatus, system and method for treating dry eye conditions and promoting healthy eyes
US6341606B1 (en) Disposable respiratory mask with adhesive skin interface
US5592937A (en) Respirator mask with stiffening elements
US3827433A (en) Respiratory device and procedure
US5243971A (en) Nasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours
US6712072B1 (en) Respirator mask
US7624735B2 (en) Cheek-mounted patient interface
US7523754B2 (en) Cushion for a respiratory mask assembly
US4559013A (en) Orthodontic shield, orthotic device and musician embouchure aid and method of producing and using same
US2540567A (en) Respiratory facial mask
US4167185A (en) Face mask seal
US5660174A (en) Buccal respiration mask
US20050056286A1 (en) Breathable respiratory mask
US4325363A (en) Posture training therapeutic neck support
US7107989B2 (en) Mask with gusset
US7089941B2 (en) Face mask support
US20060254593A1 (en) Full-face mask
US6039044A (en) Gas delivery mask
US20050051171A1 (en) Nose breathing mask for a medical patient; and method
US6082360A (en) Mask with gel seal
US4907584A (en) Respiratory mask
EP0427474A2 (en) Face masks and face masks components

Legal Events

Date Code Title Description
AS Assignment

Owner name: RESPIRONICS, INC., PENNSYLVANIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BARNETT, SHARI S.;HANDKE, PATRICK M.;SABO, KRISTINE K.;AND OTHERS;REEL/FRAME:007650/0729

Effective date: 19950908

FPAY Fee payment

Year of fee payment: 4

FPAY Fee payment

Year of fee payment: 8

AS Assignment

Owner name: RIC INVESTMENTS, INC., DELAWARE

Free format text: DIVIDEND FROM SUBSIDIARY TO PARENT;ASSIGNOR:RESPIRONICS, INC.;REEL/FRAME:016741/0570

Effective date: 20020627

Owner name: RIC INVESTMENTS, INC.,DELAWARE

Free format text: DIVIDEND FROM SUBSIDIARY TO PARENT;ASSIGNOR:RESPIRONICS, INC.;REEL/FRAME:016741/0570

Effective date: 20020627

AS Assignment

Owner name: RIC INVESTMENTS, LLC., DELAWARE

Free format text: CHANGE OF NAME;ASSIGNOR:RIC INVESTMENTS, INC.;REEL/FRAME:016747/0177

Effective date: 20040317

Owner name: RIC INVESTMENTS, LLC.,DELAWARE

Free format text: CHANGE OF NAME;ASSIGNOR:RIC INVESTMENTS, INC.;REEL/FRAME:016747/0177

Effective date: 20040317

FPAY Fee payment

Year of fee payment: 12